Microcontroller device having remotely programmable EPROM and method for programming
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United States of America Patent
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Feb 27, 1996
Issued Date -
N/A
app pub date -
Jun 3, 1994
filing date -
Jun 29, 1990
priority date (Note) -
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Abstract
A microcontroller device on a single integrated circuit including a central processing unit, an associated data bus and an electrically-programmable nonvolatile memory is disclosed. The nonvolatile memory contains the applications program and may be remotely programmed by way of a communication port, such as a universal asynchronous, receiver/transmitter (UART) device, utilizing a separate host computer. A second nonvolatile memory is provided which contains a control program which is executed by the central processing unit for carrying out the programming of the electrically-programmable nonvolatile memory utilizing data and address information received from the host computer over the communications port.
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